diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/SensorRepeat.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/SensorRepeat.cs
index 2296379da7..4d7ead6553 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/SensorRepeat.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/SensorRepeat.cs
@@ -302,6 +302,15 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Plugins
             float dz;
 
             Quaternion q = SensePoint.RotationOffset;
+            if (SensePoint.ParentGroup.RootPart.IsAttachment)
+            {
+                // In attachments, the sensor cone always orients with the
+                // avatar rotation. This may include a nonzero elevation if
+                // in mouselook.
+
+                ScenePresence avatar = m_CmdManager.m_ScriptEngine.World.GetScenePresence(SensePoint.ParentGroup.RootPart.AttachedAvatar);
+                q = avatar.Rotation;
+            }
             LSL_Types.Quaternion r = new LSL_Types.Quaternion(q.X, q.Y, q.Z, q.W);
             LSL_Types.Vector3 forward_dir = (new LSL_Types.Vector3(1, 0, 0) * r);
             double mag_fwd = LSL_Types.Vector3.Mag(forward_dir);